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Title: Collectivity in Small Collision Systems: An Initial-State Perspective

Measurements of multiparticle correlations in the collisions of small systems such as p+p, p/d/ 3 He+A show striking similarity to the observations in heavy-ion collisions. A number of observables measured in the high-multiplicity events of these systems resemble features that are attributed to collectivity driven by hydrodynamics. However, alternative explanations based on initial-state dynamics are able to describe many characteristic features of these measurements. In this brief review, we highlight some of the recent developments and outstanding issues in this direction.
Authors:
 [1] ; ORCiD logo [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics; Univ. of Washington, Seattle, WA (United States). Dept. of Physics
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Dept. of Physics
Publication Date:
Report Number(s):
BNL-113688-2017-JA
Journal ID: ISSN 1687-7357; R&D Project: KB0301020; KB0301020
Grant/Contract Number:
SC0012704; FG02-97ER41014
Type:
Published Article
Journal Name:
Advances in High Energy Physics
Additional Journal Information:
Journal Volume: 2016; Journal ID: ISSN 1687-7357
Publisher:
Hindawi
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1331029
Alternate Identifier(s):
OSTI ID: 1351718